Display screen or portion thereof of a captioning communication device with graphical user interface



The FIGURE is a front view of a display screen or portion thereof of a captioning communication device with graphical user interface.

The broken line showing is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design of a display screen or portion thereof of a captioning communication device with graphical user interface, substantially as shown and described. 